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Finding the Fourth Proportional to 66,698.94, 100,048.56 and 27,256.05

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Solution

The fourth proportional to 66,698.94, 100,048.56 and 27,256.05 is: 40,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,698.94 : 100,048.56 = 27,256.05 : x
  2. Step 2: Convert to fraction form
    66,698.94/100,048.56 = 27,256.05/x
  3. Step 3: Cross multiply
    66,698.94x = 100,048.56 × 27,256.05
  4. Step 4: Simplify right side
    66,698.94x = 2,726,928,553.79
  5. Step 5: Solve for x
    x = 2,726,928,553.79/66,698.94
  6. Step 6: Final answer
    x = 40,884.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.